Base | Representation |
---|---|
bin | 110100101000111110101100… |
… | …110110001100001101101101 |
3 | 1010100201120110002202012001121 |
4 | 310220332230312030031231 |
5 | 220321113220120340440 |
6 | 2140220145252140541 |
7 | 66523241451664060 |
oct | 6450765466141555 |
9 | 1110646402665047 |
10 | 231514522043245 |
11 | 67849837138821 |
12 | 21b71095007751 |
13 | 9c24958625b0c |
14 | 41255111a68d7 |
15 | 1bb73560b534a |
hex | d28facd8c36d |
231514522043245 has 16 divisors (see below), whose sum is σ = 319259804992128. Its totient is φ = 157875727734720.
The previous prime is 231514522043143. The next prime is 231514522043249. The reversal of 231514522043245 is 542340225415132.
It is not a de Polignac number, because 231514522043245 - 229 = 231513985172333 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231514522043249) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18272647339 + ... + 18272660008.
It is an arithmetic number, because the mean of its divisors is an integer number (19953737812008).
Almost surely, 2231514522043245 is an apocalyptic number.
It is an amenable number.
231514522043245 is a deficient number, since it is larger than the sum of its proper divisors (87745282948883).
231514522043245 is a wasteful number, since it uses less digits than its factorization.
231514522043245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36545307540.
The product of its (nonzero) digits is 1152000, while the sum is 43.
Adding to 231514522043245 its reverse (542340225415132), we get a palindrome (773854747458377).
The spelling of 231514522043245 in words is "two hundred thirty-one trillion, five hundred fourteen billion, five hundred twenty-two million, forty-three thousand, two hundred forty-five".
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